<template>
  <div>
    <!-- 面包屑头部导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card class="box-card">
      <div id="main" style="width: 600px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
// ./echarts是在当前文件夹 直接写会去node_modules去寻找
import echarts from "echarts";
// var echarts = require("echarts");

export default {
  data() {
    return {};
  },

  methods: {
    async showChart() {
      // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById("main"));
      var res = await this.axios.get(`reports/type/1`);
        console.log(res);  
      // 指定图表的配置项和数据
      var option = {
        ...res.data,
        title: {
          text: "用户来源"
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#6a7985"
            }
          }
        },
       
        toolbox: {
          feature: {
            saveAsImage: {}
          }
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true
        },
        xAxis: [
          {
            type: "category",
            boundaryGap: false,
            data: ["周一", "周二", "周三", "周四", "周五", "周六", "周日"]
          }
        ],
        yAxis: [
          {
            type: "value"
          }
        ]
      };

      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(option);
    }
  },

  mounted() {
    this.showChart();
  },
  created() {}
};
</script>

<style lang='less' scoped>
</style>
